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  Python实现数据写入 Excel 的三种模块.md
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  <h2 id="Python实现数据写入-Excel-的三种模块！"><a href="#Python实现数据写入-Excel-的三种模块！" class="headerlink" title="Python实现数据写入 Excel 的三种模块！"></a>Python实现数据写入 Excel 的三种模块！</h2><p>原创 Ryoko <a href="javascript:void(0);">凹凸数据</a> <em>昨天</em></p>
<p><img src="https://mmbiz.qpic.cn/mmbiz_png/tXYict40xfLhWKJh3biaotT45JWqYibJ1wUp3UQMzpYNaUBrcgQ3TTGiaXfv75m7GJLnwopYbRiaRqmFTAZa76ia9KTQ/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="img"></p>
<p>作者：Ryoko</p>
<p>源自：凹凸数据</p>
<p>本文说明如何使用 <code>xlsxwriter</code>、<code>pandas</code>、<code>openpyxl</code> 三个库来实现数据写入 Excel，写入后的格式如下图所示：</p>
<p><img src="https://mmbiz.qpic.cn/mmbiz/tXYict40xfLia2jXhFO0xBeBg3VfZUCJibTbarf0vAibuDXzkmdX1f0EvF0AbCWXsWJnVvbVVVyZPHcuV39gJ1srGw/640?wx_fmt=other&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="img"></p>
<p>以下为数据用例：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br></pre></td><td class="code"><pre><span class="line">import xlsxwriter as xw</span><br><span class="line">import pandas as pd</span><br><span class="line">import openpyxl as op</span><br><span class="line"></span><br><span class="line">&quot;-------------数据用例-------------&quot;</span><br><span class="line">orderIds &#x3D; [1,2,3]</span><br><span class="line">items &#x3D; [&#39;A&#39;,&#39;B&#39;,&#39;C&#39;]</span><br><span class="line">myData &#x3D; [10,20,30]</span><br><span class="line">testData &#x3D; [orderIds,items,myData]</span><br><span class="line">filename1 &#x3D; &#39;测试1.xlsx&#39;</span><br><span class="line">filename2 &#x3D; &#39;测试2.xlsx&#39;</span><br><span class="line">filename3 &#x3D; &#39;测试3.xlsx&#39;</span><br><span class="line"></span><br><span class="line">&quot;--------------执行----------------&quot;</span><br><span class="line">xw_toexcel(testData,filename1)</span><br><span class="line">pd_toexcel(testData,filename2)</span><br><span class="line">op_toexcel(testData,filename3)</span><br></pre></td></tr></table></figure>

<p>下面开始分别介绍三种方法：</p>
<h2 id="1、xlsxwriter"><a href="#1、xlsxwriter" class="headerlink" title="1、xlsxwriter"></a>1、xlsxwriter</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line">def xw_toexcel(data,filename): # xlsxwriter库储存数据到excel</span><br><span class="line">    workbook &#x3D; xw.Workbook(filename) # 创建工作簿</span><br><span class="line">    worksheet1 &#x3D; workbook.add_worksheet(&quot;sheet1&quot;) # 创建子表</span><br><span class="line">    worksheet1.activate() # 激活表</span><br><span class="line">    title &#x3D; [&#39;序号&#39;,&#39;项目&#39;,&#39;数据&#39;] # 设置表头</span><br><span class="line">    worksheet1.write_row(&#39;A1&#39;,title) # 从A1单元格开始写入表头</span><br><span class="line">    i &#x3D; 2 # 从第二行开始写入数据</span><br><span class="line">    for j in range(len(data)):</span><br><span class="line">        insertData &#x3D; [data[0][j],data[1][j],data[2][j]]</span><br><span class="line">        row &#x3D; &#39;A&#39; + str(i)</span><br><span class="line">        worksheet1.write_row(row, insertData)</span><br><span class="line">        i +&#x3D; 1</span><br><span class="line">    workbook.close() # 关闭表</span><br></pre></td></tr></table></figure>

<p><img src="https://mmbiz.qpic.cn/mmbiz_png/tXYict40xfLia2jXhFO0xBeBg3VfZUCJibTb2K3Wb2S9s0aERuqOQOqzVUjGV3iahThDWLnicOhldjyRP41c2YJZwKw/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="img"></p>
<h2 id="2、pandas"><a href="#2、pandas" class="headerlink" title="2、pandas"></a>2、pandas</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line">def pd_toexcel(data,filename): # pandas库储存数据到excel</span><br><span class="line">    dfData &#x3D; &#123; # 用字典设置DataFrame所需数据</span><br><span class="line">        &#39;序号&#39;:data[0],</span><br><span class="line">        &#39;项目&#39;:data[1],</span><br><span class="line">        &#39;数据&#39;:data[2]</span><br><span class="line">    &#125;</span><br><span class="line">    df &#x3D; pd.DataFrame(dfData) # 创建DataFrame</span><br><span class="line">    df.to_excel(filename,index&#x3D;False) # 存表，去除原始索引列（0,1,2...）</span><br></pre></td></tr></table></figure>

<p><img src="https://mmbiz.qpic.cn/mmbiz_png/tXYict40xfLia2jXhFO0xBeBg3VfZUCJibTc1nxk5gu6wSvG2CQtqibnEJdSqegNstibfCNaDb28Tuic5zGj7MKgGMFw/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="img"></p>
<h2 id="3、openpyxl"><a href="#3、openpyxl" class="headerlink" title="3、openpyxl"></a>3、openpyxl</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line">def op_toexcel(data,filename): # openpyxl库储存数据到excel</span><br><span class="line">    wb &#x3D; op.Workbook() # 创建工作簿对象</span><br><span class="line">    ws &#x3D; wb[&#39;Sheet&#39;] # 创建子表</span><br><span class="line">    ws.append([&#39;序号&#39;,&#39;项目&#39;,&#39;数据&#39;]) # 添加表头</span><br><span class="line">    for i in range(len(data[0])):</span><br><span class="line">        d &#x3D; data[0][i], data[1][i], data[2][i]</span><br><span class="line">        ws.append(d) # 每次写入一行</span><br><span class="line">    wb.save(filename)</span><br></pre></td></tr></table></figure>

<p><img src="https://mmbiz.qpic.cn/mmbiz_png/tXYict40xfLia2jXhFO0xBeBg3VfZUCJibTBGRT4wrWCdMaThFj295c6Lwb8kDERYFg9C6KXo0zlMJU279dIWXib7A/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="img"></p>
<h3 id="小结"><a href="#小结" class="headerlink" title="小结"></a>小结</h3><p>openpyxl 与 xlsxwriter 类似，需要逐行写入，如第一行需要得到 [ 1, ‘A’ , 10 ] 的格式，但不同的是使用 <code>openpyxl.load_workbook(filepath)</code> 可以对已存在的 .xlsx 进行追加数据，不会覆盖；pandas 则需先按列组合，如 [[ 1,2,3],[‘A’,’B’,’C’],[…]]的格式。</p>
<p>方法各有好处，写表时应根据需要选用。</p>
<h3 id="本文完整源码下载："><a href="#本文完整源码下载：" class="headerlink" title="本文完整源码下载："></a>本文完整源码下载：</h3><p><a target="_blank" rel="noopener" href="https://alltodata.cowtransfer.com/s/067cecabd5004b">https://alltodata.cowtransfer.com/s/067cecabd5004b</a></p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br></pre></td><td class="code"><pre><span class="line"># -*- coding: utf-8 -*-</span><br><span class="line">&quot;&quot;&quot;</span><br><span class="line">Created on Sun Oct  4 21:56:37 2020</span><br><span class="line"></span><br><span class="line">@author: 朱小五</span><br><span class="line"></span><br><span class="line">微信公众号: 凹凸数据</span><br><span class="line"></span><br><span class="line">公众号ID: alltodata</span><br><span class="line">&quot;&quot;&quot;</span><br><span class="line">import xlsxwriter as xw</span><br><span class="line">import pandas as pd</span><br><span class="line">import openpyxl as op</span><br><span class="line"></span><br><span class="line">&quot;-------------数据用例-------------&quot;</span><br><span class="line">orderIds &#x3D; [1,2,3]</span><br><span class="line">items &#x3D; [&#39;A&#39;,&#39;B&#39;,&#39;C&#39;]</span><br><span class="line">myData &#x3D; [10,20,30]</span><br><span class="line">testData &#x3D; [orderIds,items,myData]</span><br><span class="line">filename1 &#x3D; &#39;测试1.xlsx&#39;</span><br><span class="line">filename2 &#x3D; &#39;测试2.xlsx&#39;</span><br><span class="line">filename3 &#x3D; &#39;测试3.xlsx&#39;</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"></span><br><span class="line">def xw_toexcel(data,filename): # xlsxwriter库储存数据到excel</span><br><span class="line">    workbook &#x3D; xw.Workbook(filename) # 创建工作簿</span><br><span class="line">    worksheet1 &#x3D; workbook.add_worksheet(&quot;sheet1&quot;) # 创建子表</span><br><span class="line">    worksheet1.activate() # 激活表</span><br><span class="line">    title &#x3D; [&#39;序号&#39;,&#39;项目&#39;,&#39;数据&#39;] # 设置表头</span><br><span class="line">    worksheet1.write_row(&#39;A1&#39;,title) # 从A1单元格开始写入表头</span><br><span class="line">    i &#x3D; 2 # 从第二行开始写入数据</span><br><span class="line">    for j in range(len(data)):</span><br><span class="line">        insertData &#x3D; [data[0][j],data[1][j],data[2][j]]</span><br><span class="line">        row &#x3D; &#39;A&#39; + str(i)</span><br><span class="line">        worksheet1.write_row(row, insertData)</span><br><span class="line">        i +&#x3D; 1</span><br><span class="line">    workbook.close() # 关闭表</span><br><span class="line">    </span><br><span class="line">    </span><br><span class="line">def pd_toexcel(data,filename): # pandas库储存数据到excel</span><br><span class="line">    dfData &#x3D; &#123; # 用字典设置DataFrame所需数据</span><br><span class="line">        &#39;序号&#39;:data[0],</span><br><span class="line">        &#39;项目&#39;:data[1],</span><br><span class="line">        &#39;数据&#39;:data[2]</span><br><span class="line">    &#125;</span><br><span class="line">    df &#x3D; pd.DataFrame(dfData) # 创建DataFrame</span><br><span class="line">    df.to_excel(filename,index&#x3D;False) # 存表，去除原始索引列（0,1,2...）</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"></span><br><span class="line">def op_toexcel(data,filename): # openpyxl库储存数据到excel</span><br><span class="line">    wb &#x3D; op.Workbook() # 创建工作簿对象</span><br><span class="line">    ws &#x3D; wb[&#39;Sheet&#39;] # 创建子表</span><br><span class="line">    ws.append([&#39;序号&#39;,&#39;项目&#39;,&#39;数据&#39;]) # 添加表头</span><br><span class="line">    for i in range(len(data[0])):</span><br><span class="line">        d &#x3D; data[0][i], data[1][i], data[2][i]</span><br><span class="line">        ws.append(d) # 每次写入一行</span><br><span class="line">    wb.save(filename)</span><br><span class="line"></span><br><span class="line"></span><br><span class="line">&quot;--------------执行----------------&quot;</span><br><span class="line">xw_toexcel(testData,filename1)</span><br><span class="line">pd_toexcel(testData,filename2)</span><br><span class="line">op_toexcel(testData,filename3)</span><br><span class="line"></span><br></pre></td></tr></table></figure>

 
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